From 8a80e8b743722b996516f18a97c5f1e672041370 Mon Sep 17 00:00:00 2001
From: Nikita Sivukhin <sivukhin@turso.tech>
Date: Mon, 27 Oct 2025 13:18:18 +0400
Subject: [PATCH] rename custom modules to index_method like in postgresql

---
 cli/app.rs                 |  8 ++++----
 core/incremental/cursor.rs |  2 +-
 core/lib.rs                | 20 ++++++++++----------
 core/translate/index.rs    |  6 ++++--
 4 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/cli/app.rs b/cli/app.rs
index 52423a4d3..d23e25771 100644
--- a/cli/app.rs
+++ b/cli/app.rs
@@ -78,8 +78,8 @@ pub struct Opts {
     pub mcp: bool,
     #[clap(long, help = "Enable experimental encryption feature")]
     pub experimental_encryption: bool,
-    #[clap(long, help = "Enable experimental custom modules feature")]
-    pub experimental_custom_modules: bool,
+    #[clap(long, help = "Enable experimental index method feature")]
+    pub experimental_index_method: bool,
 }
 
 const PROMPT: &str = "turso> ";
@@ -194,7 +194,7 @@ impl Limbo {
                 opts.experimental_views,
                 opts.experimental_strict,
                 opts.experimental_encryption,
-                opts.experimental_custom_modules,
+                opts.experimental_index_method,
             )?
         } else {
             let flags = if opts.readonly {
@@ -212,7 +212,7 @@ impl Limbo {
                     .with_views(opts.experimental_views)
                     .with_strict(opts.experimental_strict)
                     .with_encryption(opts.experimental_encryption)
-                    .with_custom_modules(opts.experimental_custom_modules)
+                    .with_index_method(opts.experimental_index_method)
                     .turso_cli(),
                 None,
             )?;
diff --git a/core/incremental/cursor.rs b/core/incremental/cursor.rs
index cd7af669b..0afab4d7a 100644
--- a/core/incremental/cursor.rs
+++ b/core/incremental/cursor.rs
@@ -316,7 +316,7 @@ mod tests {
                 enable_strict: false,
                 enable_load_extension: false,
                 enable_encryption: false,
-                enable_custom_modules: false,
+                enable_index_method: false,
             },
             None,
         )?;
diff --git a/core/lib.rs b/core/lib.rs
index 99d79113c..3a6974c93 100644
--- a/core/lib.rs
+++ b/core/lib.rs
@@ -113,7 +113,7 @@ pub struct DatabaseOpts {
     pub enable_views: bool,
     pub enable_strict: bool,
     pub enable_encryption: bool,
-    pub enable_custom_modules: bool,
+    pub enable_index_method: bool,
     enable_load_extension: bool,
 }
 
@@ -125,7 +125,7 @@ impl Default for DatabaseOpts {
             enable_views: false,
             enable_strict: false,
             enable_encryption: false,
-            enable_custom_modules: false,
+            enable_index_method: false,
             enable_load_extension: false,
         }
     }
@@ -167,8 +167,8 @@ impl DatabaseOpts {
         self
     }
 
-    pub fn with_custom_modules(mut self, enable: bool) -> Self {
-        self.enable_custom_modules = enable;
+    pub fn with_index_method(mut self, enable: bool) -> Self {
+        self.enable_index_method = enable;
         self
     }
 }
@@ -877,8 +877,8 @@ impl Database {
         self.opts.enable_views
     }
 
-    pub fn experimental_custom_modules_enabled(&self) -> bool {
-        self.opts.enable_custom_modules
+    pub fn experimental_index_method_enabled(&self) -> bool {
+        self.opts.enable_index_method
     }
 
     pub fn experimental_strict_enabled(&self) -> bool {
@@ -1503,7 +1503,7 @@ impl Connection {
                     .with_views(views)
                     .with_strict(strict)
                     .with_encryption(encryption)
-                    .with_custom_modules(custom_modules),
+                    .with_index_method(custom_modules),
                 None,
             )?;
             let conn = db.connect()?;
@@ -1533,7 +1533,7 @@ impl Connection {
                 .with_views(views)
                 .with_strict(strict)
                 .with_encryption(encryption)
-                .with_custom_modules(custom_modules),
+                .with_index_method(custom_modules),
             encryption_opts.clone(),
         )?;
         if let Some(modeof) = opts.modeof {
@@ -2012,8 +2012,8 @@ impl Connection {
         self.db.experimental_views_enabled()
     }
 
-    pub fn experimental_custom_modules_enabled(&self) -> bool {
-        self.db.experimental_custom_modules_enabled()
+    pub fn experimental_index_method_enabled(&self) -> bool {
+        self.db.experimental_index_method_enabled()
     }
 
     pub fn experimental_strict_enabled(&self) -> bool {
diff --git a/core/translate/index.rs b/core/translate/index.rs
index 445b35636..52ee1c196 100644
--- a/core/translate/index.rs
+++ b/core/translate/index.rs
@@ -49,10 +49,12 @@ pub fn translate_create_index(
         panic!("translate_create_index must be called with CreateIndex AST node");
     };
 
-    if !connection.experimental_custom_modules_enabled()
+    if !connection.experimental_index_method_enabled()
         && (using.is_some() || !with_clause.is_empty())
     {
-        bail_parse_error!("custom modules is an experimental feature. Enable with --experimental-custom-modules flag")
+        bail_parse_error!(
+            "index method is an experimental feature. Enable with --experimental-index-method flag"
+        )
     }
 
     let original_idx_name = idx_name;